<template>
  <div v-if="visible" class="loading-mask" :class="{ 'is-fullscreen': fullscreen }">
    <div class="loading-spinner">
      <svg class="circular" viewBox="25 25 50 50">
        <circle class="path" cx="50" cy="50" r="20" fill="none"></circle>
      </svg>
      <p v-if="text" class="loading-text">{{ text }}</p>
    </div>
  </div>
</template>

<script>
export default {
  name: 'FeedbackLoading',
  props: {
    visible: {
      type: Boolean,
      default: false
    },
    text: {
      type: String,
      default: ''
    },
    fullscreen: {
      type: Boolean,
      default: false
    }
  }
}
</script>

<style scoped>
.loading-mask {
  position: absolute;
  z-index: 2000;
  background-color: rgba(255, 255, 255, 0.9);
  margin: 0;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transition: opacity 0.3s;
}

.loading-mask.is-fullscreen {
  position: fixed;
}

.loading-spinner {
  top: 50%;
  margin-top: -21px;
  width: 100%;
  text-align: center;
  position: absolute;
}

.loading-text {
  color: #409eff;
  margin: 3px 0;
  font-size: 14px;
}

.circular {
  animation: loading-rotate 2s linear infinite;
  height: 42px;
  width: 42px;
}

.path {
  animation: loading-dash 1.5s ease-in-out infinite;
  stroke-dasharray: 90, 150;
  stroke-dashoffset: 0;
  stroke-width: 2;
  stroke: #409eff;
  stroke-linecap: round;
}

@keyframes loading-rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes loading-dash {
  0% {
    stroke-dasharray: 1, 200;
    stroke-dashoffset: 0;
  }
  50% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -40px;
  }
  100% {
    stroke-dasharray: 90, 150;
    stroke-dashoffset: -120px;
  }
}
</style> 